code: def forward_expected(self, inputs):
      x1, x2 = inputs
      expected = numpy.minimum(x1, x2)
      expected = numpy.asarray(expected)
      return (expected.astype(self.dtype),)
  
file_path: chainer/tests/chainer_tests/functions_tests/math_tests/test_minimum.py
imports: import unittest
  import numpy
  import chainer
  from chainer import functions
  from chainer import testing
  from chainer.utils import type_check
label_desc: Use image node_id 4 for calling the TestMinimum obj's underlying member method code with example usage: obj.forward_expected(inputs) and returns: expected